Sofa



FIG. 1 is a perspective view of a sofa.

FIG. 2 is a front view of the sofa of FIG. 1 .

FIG. 3 is a rear view of the sofa of FIG. 1 .

FIG. 4 is a side view of the sofa of FIG. 1 .

FIG. 5 is a top view of the sofa of FIG. 1 .

FIG. 6 is a perspective view of another sofa.

FIG. 7 is a front view of the sofa of FIG. 6 .

FIG. 8 is a rear view of the sofa of FIG. 6 .

FIG. 9 is a side view of the sofa of FIG. 6 ; and,

FIG. 10 is a top view of the sofa of FIG. 6 .

The broken lines in the drawings illustrate portions of the article that form no part of the claimed design. 

CLAIM We claim the ornamental design for a sofa, as shown and described. 